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NAT on ALcatel Speedtouch Home (Pro)

Lukas

Real Name No Gimmicks
#1
Hi all,


I have an ALcatel Speedtouch Home ADSL modem. It runs on a stripped down unix kernel. It is possible however to turn this modem into a Pro version, gaining automatic dial-in, firewalling, dns server, dhcp server and always-on connectivity...

I 'upgraded' my Home model to Pro version using this tutorial. Everything is fine now, modem is connected to a hub now instead of a server machine with two NIC's and it is a working dhcp and dns server.

Just one problem: I don't know how to set up NAT to forward traffic from port 80 on the modem/router to my webserver on address 10.0.0.1.

Network setup is:

Alcatel Speedtouch on 10.0.0.138
Webserver on 10.0.0.1
two clients on 10.0.0.2 & .3

I want inconming traffic on port 80 on the modem to be forwarded to port 85 on 10.0.0.1 (port 80 on 10.0.0.1 is intrAnet website)

I looked around for manual, and I found this pdf document.

On page 185 there is info on creating a NAT entry:

SYNTAX:
nat create
protocol = <IP protocol name or number>
inside_addr = <ip-address>
[inside_port = <TCP/UDP service name or port number>]
outside_addr = <ip-address>
[outside_port = <TCP/UDP service name or port number>]

so that would give

nat create

protocol = TCP
inside_addr = 10.0.0.1
inside_port = 85
outside_addr = 0 (isp works with dhcp, so 0 creates template, it is replaced by the router's outside address)
outside_port = 80

After I do that the nat list command gives me this:

=>nat list
Indx Prot Inside-address:port Outside-address:port Foreign-address:port Flgs Expir State Control
1 6 10.0.0.1:85 217.136.186.24:80 0.0.0.0:0 instance
2 6 10.0.0.1:85 0.0.0.0:80 0.0.0.0:0 template

Foreign-address:port should change to my address when I try to connect to my outside address, but it doesn't.
Everything I get is: the pâge cannot be displayed.


Can anyone help please?

Greetz,


Lukas
 

Lukas

Real Name No Gimmicks
#4
Assign 10.0.0.1 to the NIC that is connected to the modem and open 10.0.0.138 in your webbrowser.

You also can open a telnet session to 10.0.0.138.

Check out the tutuorial (my fisrt post in this thread)


Greetz



Lukas
 

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